Electrotech Resources

Magnetism

• Magnetic field around Bar Magnets

• What is Magnetism? 0-6 minutes Introduction

• Earth's Magnetic Field Explained

• DaVinci Kids Earth's Magnetic Field

• Professor Dave explains Magnetism 

• Magnetic Field around a wire 5:00

• Left Hand Rule #1

• Force between current carrying wires MIT 00:49

• Electromagnetic force on parallel wires 1:11

• Solenoid Field 

• Magnetic field due to a Solenoid 1:42

• Magnetic field of a Solenoid 00:30

• Solenoid Basics

• Electronic muscle made from solenoid 2:10

• (go to 1 minute mark)

• World's Simplest Electric Train

• Jumping Wire MIT 00:36

• Electron beam deflected 

• Vortexing Magnetic Fields 3:09

• Electromagnets 7:00 minutes

• Neodymium magnets 3:08

• Science: Magnet falling through a copper cylinder. 1:29

• Magnetic Induction 1:36

• Generators Induced Current 3:44

• Awesome AC and DC current generation explained 4:01

• DC and AC Motors

• DC Motors 5:35

• DC Motors more complicated 4:49

• Superconductor and Moebius Strip

Transformers

• The Power Grid 4:24

• Electrical Grid 3:47

• How Transformers Work 8:41 well done

• How does a Transformer work 5:47

• Transformers Explained 5:40

• AC to DC Rectification for DC devices